DC7.5V 0.5A Linear adapter, DC7.5V 0.5A Linear Power Supply. CE ROHS EMC certified, Class II, LPS, IP20, Universal input, customized design. 
Key specification：

• North America: 120V AC at 50/60Hz
• No-load input power: 0.3W at 240V AC
• Efficiency: CEC IV, ErP I
• Input plug: EU/VDC (EU), US (North America), PSE (Japan), SAA (Australia, NZ), BS (UK, HK), Brazil, South Africa, CCC (China) and EK (Korea)
• DC output voltage: 7.5V (AC or DC) (optional)
• DC output current: 500mA
• Ripple and noise: 100mV
• Output voltage precision: 5% 

• Storage temperature: -20 to 65°C
• Storage humidity: 10 to 95% RH
• Operating temperature: 0 to 40°C
• Operating humidity: 10 to 95% RH

Reliability:

• Burn-in: 100% full load, 40°C, 4hrs minimum
• MTBF: meet MIL-HDBK-217F over 50,000hrs, full load, 25°C 
• Leakage current: 0.25mA maximum at 264V AC
• Withstanding voltage: 3kV 1minute 10mA max, between primary and secondary

• IEC61000-4-6, IEC61000-4-11
• IEC61000-4-4, IEC61000-4-5
• IEC61000-4-2, IEC61000-4-3
• GB9254-1998/GB17625.1-2003
• FCC part 15 class B
• CISPR22 class B 
• EN55022 class B
• CNS13438 class B 
• EN55024/A1:2001
• AS/NZS3548, AS/NZS4251.1 class B 

Safety approvals:

• CE (low-voltage directive)
• UL1310, GB4943-2001
• PSE IEC60950, EN60065 
• EN61558-2-6
• EN60950:2009, EN60065
• AS/NZS 60950:2000, AS/NZS60065